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Demonstrate in a brief paragraph how the search to explain planetary orbits exemplifies the scientific method and the use of models? An experiment is done to see if eating breakfast affects students performance on exams is the experimental variable the scores on the exams? How hot is 20 degrees Celsius? How spraying pesticides on your lawn could affect communities downstream in your water shed? What if santa had to use the bathroom when dilvering presents? How loud is 53decibels? How many micrograms in an ounce? What is 38 degrees Fahrenheit converted to celsius? What is flumination? A body of water at 50N and 40W? What are two things in nature that are periodic? What is required to start an object vibrating? How many fluid oz is 236 mg? How do you use the easiest in a sentence? Describe two ways chemical weathering may occur? Who is an Australian scientist that is still alive today? What are branches of science and sub branches of science? Why have ethnologists focused their study on nonliterate peoples? When was the plastic bottle made? What is prime 39 49 59 69 79 89 99?